android - 错误：无法访问 com.google.android.gms.common.internal.safeparcel.zza 的 zza 类文件未找到
问题描述
我在我的位置跟踪应用程序中遇到了异常。一个例外是关于 zza 课。
这是我的家庭活动的代码。
package com.example.u.register;
import android.Manifest;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.annotation.RequiresApi;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
import com.example.u.register.Model.Tracking;
import com.example.u.register.Model.User;
import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.firebase.ui.database.FirebaseRecyclerOptions;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationServices;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
public class Home extends AppCompatActivity implements
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener,
LocationListener {
DatabaseReference onlineRef, currentUserRef, counterRef, locations;
FirebaseRecyclerAdapter<User, ListOnlineViewHolder> adapter;
RecyclerView listOnline;
RecyclerView.LayoutManager layoutManager;
private static final int MY_PERMISSION_REQUEST_CODE= 7171;
private static final int PLAY_SERVICE_RES_REQUEST= 7172;
private LocationRequest mLocationRequest;
private GoogleApiClient mGoogleApiClient;
private Location mLastLocation;
private static long UPDATE_INTERVAL= 5000;
private static long FASTEST_INTERVEL= 3000;
private static float DISTANCE= 10;
@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
listOnline= (RecyclerView) findViewById(R.id.list);
listOnline.setHasFixedSize(true);
layoutManager= new LinearLayoutManager(this);
listOnline.setLayoutManager(layoutManager);
Toolbar toolBar= (Toolbar) findViewById(R.id.toolbar);
toolBar.setTitle("Online Users");
setSupportActionBar(toolBar);
locations= FirebaseDatabase.getInstance().getReference("Locations");
onlineRef= FirebaseDatabase.getInstance().getReference().child(".info/connected");
counterRef= FirebaseDatabase.getInstance().getReference("lastOnline");
currentUserRef= FirebaseDatabase.getInstance().getReference("lastOnline")
.child(FirebaseAuth.getInstance().getCurrentUser().getUid());
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
!= PackageManager.PERMISSION_GRANTED &&
ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
!= PackageManager.PERMISSION_GRANTED){
ActivityCompat.requestPermissions(this, new String[]{
Manifest.permission.ACCESS_COARSE_LOCATION,
Manifest.permission.ACCESS_FINE_LOCATION
},MY_PERMISSION_REQUEST_CODE);
}else{
if (checkPlayServices()){
buildGoogleApiClient();
createLocationRequest();
displayLocation();
}
}
setupSystem();
updateList();
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode){
case MY_PERMISSION_REQUEST_CODE:
{
if (grantResults.length > 0 && grantResults[0]== PackageManager.PERMISSION_GRANTED){
if (checkPlayServices()){
buildGoogleApiClient();
createLocationRequest();
}
}
}break;
}
}
private void displayLocation() {
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
!= PackageManager.PERMISSION_GRANTED &&
ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
!= PackageManager.PERMISSION_GRANTED){
return;
}
mLastLocation= LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
if (mLastLocation != null){
locations.child(FirebaseAuth.getInstance().getCurrentUser().getUid())
.setValue(new Tracking(FirebaseAuth.getInstance().getCurrentUser().getEmail(),
FirebaseAuth.getInstance().getCurrentUser().getUid(),
String.valueOf(mLastLocation.getLatitude()),
String.valueOf(mLastLocation.getLongitude())));
}
else {
Toast.makeText(this, "Couldn't get the location!", Toast.LENGTH_SHORT).show();
}
}
private void createLocationRequest() {
mLocationRequest= new LocationRequest();
mLocationRequest.setInterval(UPDATE_INTERVAL);
mLocationRequest.setFastestInterval(FASTEST_INTERVEL);
mLocationRequest.setSmallestDisplacement(DISTANCE);
mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
}
private void buildGoogleApiClient() {
mGoogleApiClient= new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API).build();
mGoogleApiClient.connect();
}
private boolean checkPlayServices() {
int resultCode= GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
if (resultCode != ConnectionResult.SUCCESS){
if(GooglePlayServicesUtil.isUserRecoverableError(resultCode)){
GooglePlayServicesUtil.getErrorDialog(resultCode, this, PLAY_SERVICE_RES_REQUEST).show();
}else {
Toast.makeText(this, "This Device is not Supported", Toast.LENGTH_SHORT).show();
finish();
}
return false;
}
return true;
}
private void updateList() {
FirebaseRecyclerOptions<User> options= new FirebaseRecyclerOptions.Builder<User>()
.setQuery(counterRef, User.class)
.build();
adapter = new FirebaseRecyclerAdapter<User, ListOnlineViewHolder>(options) {
@Override
protected void onBindViewHolder(@NonNull ListOnlineViewHolder holder, int position, @NonNull User model) {
holder.textemail.setText(model.getEmail());
}
@NonNull
@Override
public ListOnlineViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view= LayoutInflater.from(getBaseContext())
.inflate(R.layout.user_layout, parent, false);
return new ListOnlineViewHolder(view);
}
};
adapter.notifyDataSetChanged();
listOnline.setAdapter(adapter);
}
private void setupSystem() {
onlineRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
if(dataSnapshot.getValue(Boolean.class)){
counterRef.onDisconnect().removeValue();
counterRef.child(FirebaseAuth.getInstance().getCurrentUser().getUid())
.setValue(new User(FirebaseAuth.getInstance().getCurrentUser().getEmail(),"Online"));
adapter.notifyDataSetChanged();
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
counterRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
for(DataSnapshot postSnapshot:dataSnapshot.getChildren()){
User user= postSnapshot.getValue(User.class);
Log.d("Log", "" +user.getEmail() + " is "+user.getStatus());
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater= getMenuInflater();
inflater.inflate(R.menu.main_menu,menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()){
case R.id.action_join:
counterRef.child(FirebaseAuth.getInstance().getCurrentUser().getUid())
.setValue(new User(FirebaseAuth.getInstance().getCurrentUser().getEmail(),"Online"));
break;
case R.id.action_logout:
currentUserRef.removeValue();
break;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onLocationChanged(Location location) {
mLastLocation= location;
displayLocation();
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onConnected(@Nullable Bundle bundle) {
displayLocation();
startLocationUpdates();
}
private void startLocationUpdates() {
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
!= PackageManager.PERMISSION_GRANTED &&
ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
!= PackageManager.PERMISSION_GRANTED) {
return;
}
LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient,mLocationRequest,
(com.google.android.gms.location.LocationListener) this);
}
@Override
public void onConnectionSuspended(int i) {
mGoogleApiClient.connect();
}
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
}
@Override
protected void onStart() {
super.onStart();
if (mGoogleApiClient != null)
mGoogleApiClient.connect();
}
@Override
protected void onStop() {
if (mGoogleApiClient != null)
mGoogleApiClient.disconnect();
super.onStop();
}
@Override
protected void onResume() {
super.onResume();
checkPlayServices();
}
}
这是应用级别的 build.gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 27
defaultConfig {
applicationId "com.example.u.register"
minSdkVersion 17
targetSdkVersion 27
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:27.1.1'
implementation 'com.android.support:cardview-v7:27.1.1'
implementation 'com.android.support:recyclerview-v7:27.1.1'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
implementation 'com.google.android.gms:play-services-maps:16.1.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
implementation 'com.android.support:support-v4:27.1.1'
implementation 'com.android.support:support-vector-drawable:27.1.1'
implementation 'com.android.support:design:27.1.1'
implementation 'com.google.firebase:firebase-core:16.0.1'
implementation 'com.firebaseui:firebase-ui-database:3.3.1'
implementation 'com.google.firebase:firebase-auth:16.0.1'
implementation 'com.google.firebase:firebase-database:16.0.1'
implementation 'com.google.android.gms:play-services:10.2.0'
implementation 'com.google.android.gms:play-services-maps:10.2.0'
api 'com.google.firebase:firebase-messaging:17.0.0'
}
apply plugin: 'com.google.gms.google-services'
com.google.gms.googleservices.GoogleServicesPlugin.config.disableVersionCheck = true
我希望有人能帮助我找到错误并解决它。
解决方案
推荐阅读
- swift - Swift Invalid type in JSON write error using JSONSerialization.data
- spring-boot - H2 刀片性能
- tcl - 如何在 TCL 中设置符号链接的 mtime？
- css - 在heroku上的react + rails应用程序中CSS未导入JS文件
- newrelic - Fluentd NewRelic 输出“时间必须是 Fluent::EventTime (or Integer): Float”
- python - NoReverseMatch：未找到带有参数 '('',)' 的“RPA_tool”的反向。尝试了 1 种模式：['admin_tool/RPA_tool/(?P
[^/]+)/$'] - android - React 原生轨道播放器中的应用启动问题
- r - 从 data.table 中的每个组中减去一个向量，并在两者中按日期匹配
- html - 如何将 div 放在居中的 div 上？
- reactjs - 在 React 中使用 map 将四个元素传递到一个组件中